18 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... #bradycardia #Causes ... differential #diagnosis #infectiousdiseases ... #table #NonInfectious
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... deficiency • Liver ... mountain spotted fever ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Non-Infectious: • Rheumatologic ... Mediterranean Fever ... • Vasculitis: ... Differential #Diagnosis #Causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... tract, and often causes ... Coronary arteries - Fever ... : • Fevers • ... differential #diagnosis #rheumatology
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
the most common vasculitis ... Presentation: • Fever ... , Cough • +/-Nausea ... Diagnostic Criteria - Fever ... #rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Infection - Vasculitis ... Red Flags: • Fever ... - Autoimmune Vasculitis ... • Abdominal ultrasound
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... of necrotizing vasculitis ... infectiosum • Fever ... acute rheumatic fever
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Fevers • Fatigue ... and branches • Fever ... Coronary arteries • Fever ... tract, and often causes ... Differential #Diagnosis #Rheumatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... explain symptoms • Fever ... pulmonary edema) • Fever ... Transfusion #Reactions #hematology ... diagnosis #comparison #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... decubitus - air fluid level ... Intervention: - Fevers ... Diagnosis: • Vasculitis ... #differential #causes